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參數(shù)資料
型號(hào): W88113C
廠商: WINBOND ELECTRONICS CORP
英文描述: ATAPI CD-ROM DECODER & CONTROLLER
中文描述: ATAPI的CD - ROM解碼器
文件頁數(shù): 9/102頁
文件大小: 573K
代理商: W88113C
W88113C
Publication Release Date: Mar. 1999
Revision 0.61
- 5 -
1.4 Pin Description
The following convention is used in the pin description table below:
(I)
denotes an input
(O)
denotes an output
(OZ)
denotes a tri-state output
(OD)
denotes an open-drain output
(I/O)
denotes a bi-directional signal
Miscellaneous Pins
NAME
NO.
TYPE
PIN DESCRIPTION
RD15/DJ
12
I/O
RAM Data 15/Drive Jumper
CLKO/ALRCK
13
O
Clock Output/Audio LR Clock
XIN
XOUT
15
14
I
O
Crystal input/output - Normally, XIN and XOUT are
connected to a crystal.
HRSTb/GIO1
17
I
Host Reset - A low active input signal
ARSTb/GIO2
60
OD
ATAPI Reset - A low active output signal.
CRSTb
75
I
Chip Reset - A low-active input signal.
VDD
41, 89
Power Supply Pin - 5.0V
±
5%
Ground Pin
GND
1, 16, 30, 51,
66, 80
Micro-controller Interface
NAME
NO.
TYPE
PIN DESCRIPTION
UD[7:0]
22, 23, 25, 26,
27, 28, 29, 31
I/OZ
Microprocessor Data Bus - Bi-directional processor data lines.
URS/GIN3/D
AO
32
I
Register Select - To select address register or internal
register.
URDb
33
I
Microprocessor Read Strobe - A low-active input signal.
UWRb
34
I
Microprocessor Write Strobe - A low-active input signal.
UCSb
35
I
Microprocessor Chip Select - A low-active input signal.
RD12/ALE1
5
I
RAM data 12/Address Latch Enable 1
ALE2
64
I
Address Latch Enable 2
UINTb
36
OD
Microprocessor Interrupt - A low-active output signal that can
be externally wired-OR with other interrupt sources.
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